Home / 769,214,955.60-1,153,822,433.40-223,974,277.20

Finding the Fourth Proportional to 769,214,955.60, 1,153,822,433.40 and 223,974,277.20

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Solution

The fourth proportional to 769,214,955.60, 1,153,822,433.40 and 223,974,277.20 is: 335,961,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,214,955.60 : 1,153,822,433.40 = 223,974,277.20 : x
  2. Step 2: Convert to fraction form
    769,214,955.60/1,153,822,433.40 = 223,974,277.20/x
  3. Step 3: Cross multiply
    769,214,955.60x = 1,153,822,433.40 × 223,974,277.20
  4. Step 4: Simplify right side
    769,214,955.60x = 258,426,545,537,910,144
  5. Step 5: Solve for x
    x = 258,426,545,537,910,144/769,214,955.60
  6. Step 6: Final answer
    x = 335,961,415.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.